... 2.standard color:blue 3.coupler hose Straight coupler silicone hose1.usage: for engine air intake, exhaust, water, oil, turbocharger, ... : ±0.2 to ±0.5mm 5.layers:1-4 ply (5mm wall)6.Temperature:-40 to 240°C7.Colors : red/ ... necessary,your logo can be printed on the hose. straight silicone hose/pipe/tube